They call the technique “virtopsy,” or virtual autopsy. Specifically, the research team has adapted the twin medical- imaging technologies of computed tomography (CT) and magnetic resonance imaging (MRI) to create three-dimensional, high-resolution computer images of a crime victim’s internal organs.

Besides being a bloodless approach to an otherwise messy job, the digitally preserved bodies of the Virtopsy Project have the added benefit of permanency. “Murder victims have the unfortunate habit of decomposing,” Thali notes. Of course, police and pathologists have long documented such disappearing evidence with photographs and detailed medical reports. Photos, however, are limited by their two-dimensionality and the inherent distortion of camera angles. And medical reports, according to Thali, remain unacceptably subjective.

It’s a criticism supported by the cacophony of the courtroom, where prosecutors and defense lawyers often present dueling pathologists, each reinterpreting autopsy reports to favor one side or the other. Complicating a jury’s difficulty in following such arguments are the typically gore-drenched autopsy photos that prompt many to turn away in horror. “We [in Switzerland] are not so used to shows like CSI,” Thali points out. “It can be a real problem.”

In the future that Thali envisions, any pathologist taking the witness stand can bloodlessly redissect the victim in full view of the jury by calling forth the original data stored on the discs. “Graphic, yes. Gory, no,” he says.

Over the past three years, Thali has performed more than 100 virtual autopsies, each followed by a traditional autopsy to confirm his findings. Although his experimental technique has proved highly accurate, he expects to complete at least 100 more cases before the first virtopsy debuts in a court of law.

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